package jiarizuoye;

public interface Iyh {
	public void signUp() throws MyException;
	public void Login() throws MyException;
	public void selectAllSp()  throws MyException;
	public void selectSpById(int id)  throws MyException;
	public void selectSpByName(String name)  throws MyException;
	public void selectSpByPrice(double min,double max) throws MyException ;
}
